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oid4vp-overview

Explain OpenID4VP protocol terminology and same-device versus cross-device flows.

Updated Mar 7, 2026
Search Tags:#security#protocol overview#digital identity#openid4vp#verifiable presentations#credential exchange
One-click install
npx skills add https://github.com/sourcelabbg/eudi-knowledge --skill oid4vp-overview
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: oid4vp-overview
Source: https://github.com/sourcelabbg/eudi-knowledge/tree/main/.ai/skills/oid4vp-overview
Command: npx skills add https://github.com/sourcelabbg/eudi-knowledge --skill oid4vp-overview

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a clear understanding of the OpenID for Verifiable Presentations (OpenID4VP) protocol, demystifying its terminology and core concepts for seamless integration into digital identity solutions.

Core Features & Use Cases

  • Protocol Overview: Explains the fundamental principles of OpenID4VP, including the roles of Verifier, Wallet, and the VP Token.
  • Flow Differentiation: Clearly distinguishes between the "Same Device Flow" and the "Cross Device Flow," detailing their respective interaction models.
  • Terminology Clarification: Defines key terms such as Credential, Verifiable Credential, Presentation, Holder Binding, and more, ensuring a common understanding.
  • Use Case: Developers building digital wallet applications or relying on verifiable credentials can use this skill to quickly grasp how to implement presentation requests and responses according to the OpenID4VP specification.

Quick Start

Explain the difference between the same-device and cross-device flows in OpenID4VP.

Frequently Asked Questions about oid4vp-overview

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is OpenID4VP and how does it handle verifiable presentations?▼

OpenID for Verifiable Presentations (OpenID4VP) is a protocol defining how digital identity wallets present Verifiable Credentials to relying parties. It specifies authorization request and response models to securely exchange VP Tokens between a Verifier and a Wallet.

How does OpenID4VP differentiate between same-device and cross-device flows?▼

OpenID4VP differentiates same-device and cross-device flows by defining distinct interaction models. The same-device flow manages presentation requests directly within one device's browser and wallet application, while the cross-device flow coordinates credential exchange between separate devices.

What terminology do I need to know to implement OpenID4VP credential exchange?▼

Implementing OpenID4VP credential exchange requires understanding key terminology including Verifier, Wallet, VP Token, Verifiable Credential, Presentation, and Holder Binding. These terms establish the core roles and data structures for identity validation.

Can I use OpenID4VP for digital wallet applications requiring Verifiable Credentials?▼

Yes, OpenID4VP is designed for developers building digital wallet applications. It provides the necessary specification to implement presentation requests and responses, allowing wallets to securely present verifiable credentials to verifiers.

When should I use the same-device flow versus the cross-device flow in OpenID4VP?▼

Use the OpenID4VP same-device flow when the wallet application and the verifier interface operate on the same physical device. Use the cross-device flow when the user authorizes a presentation on a separate device, such as scanning a QR code to transmit credential data.

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